NCT01479491

Brief Summary

This study aims to analyse baseline data on IS in order to monitor the possibility of increased risk of IS in children aged \<12 months after introduction of the Rotarix vaccination in Japan.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
54

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Nov 2011

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2011

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2011

Completed
21 days until next milestone

First Submitted

Initial submission to the registry

November 22, 2011

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 24, 2011

Completed
Last Updated

October 22, 2012

Status Verified

October 1, 2012

Enrollment Period

Same day

First QC Date

November 22, 2011

Last Update Submit

October 18, 2012

Conditions

Keywords

JapanRetrospectiveObservationalEpidemiological studyChildren aged < 12 monthsIntussusception

Outcome Measures

Primary Outcomes (2)

  • Occurrence of IS in subjects aged < 12 months

    Between January 2005 and April 2011 (6 years)

  • Occurrence of age-specific and gender-specific incidence of IS among subjects aged < 12 months in Japan

    Between January 2005 and April 2011 (6 years)

Secondary Outcomes (2)

  • Number of IS cases hospitalized more than once among subjects aged < 12 months.

    Between January 2005 and April 2011 (6 years)

  • Occurrence of IS cases by calendar months and year among subjects aged < 12 months

    Between January 2005 and April 2011 (6 years)

Study Arms (1)

Case Group

Children aged \< 12 months presenting with IS and covered by the Japan Medical Data Centre Company Limited (JMDC), Tokyo referred to as the JMDC Medical Data Bank (JMDC-MDB).

Other: Data collection

Interventions

Data source will be the Japan Medical Data Centre Company Limited (JMDC) - JMDC Medical Data Bank (JMDC-MDB) database. Aggregated data (age in months and years and gender) for all subjects recorded in the database and subject-level data for IS cases will be extracted from the database. This database will be reviewed to extract data for the period between January 2005 and April 2011. Cases of IS will be identified using the International Classification of Diseases-10 (ICD-10) diagnostic codes, examination codes and procedural codes.

Case Group

Eligibility Criteria

AgeUp to 12 Months
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Children aged \<12 months presenting with IS and covered by the JMDC-MDB database from January 2005 to April 2011.

You may qualify if:

  • A male or female infant aged \< 12 months at the time of IS diagnosis and affiliated to the JMDC-MDB database.
  • An IS case should be identified as per the ICD-10 diagnostic code-K56.1 (any-field listed), examination codes, and procedural codes.

You may not qualify if:

  • Not applicable

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Intussusception

Interventions

Data Collection

Condition Hierarchy (Ancestors)

Intestinal ObstructionIntestinal DiseasesGastrointestinal DiseasesDigestive System Diseases

Intervention Hierarchy (Ancestors)

Epidemiologic MethodsInvestigative TechniquesHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and EvaluationPublic HealthEnvironment and Public Health

Study Officials

  • GSK Clinical Trials

    GlaxoSmithKline

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 22, 2011

First Posted

November 24, 2011

Study Start

November 1, 2011

Primary Completion

November 1, 2011

Study Completion

November 1, 2011

Last Updated

October 22, 2012

Record last verified: 2012-10